P0015

P0015-BANK 1 CAMSHAFT 2 POSITION - TIMING OVER-RETARDED

For a complete wiring diagram refer to the Wiring Information Electrical Diagrams.

Theory of Operation

Variable Valve Timing (VVT) allows the PCM to monitor and adjust the position of the camshaft, based on desired torque levels and engine operating conditions. The PCM controls a solenoid operated control valve, that is used to direct oil pressure to hydraulic actuator mounted between the camshaft and its driving sprocket. The oil pressure alters the angular position or phasing of the camshaft relative to crankshaft rotation. A sensor is used to monitor the position of the camshaft.

- When Monitored:
Variable Valve Timing (VVT) phasing accuracy is monitored under the following conditions: (1) Engine speed is at least 150 rpm; (2) No CMP sensor or CKP sensor plausibility errors. This is performed even when phasing control is not enabled, to verify the actuator is keeping the camshaft at the default (lockpin) phase.

- Set Condition:
This DTC will be set when either P000B or P0017 is set, to indicate the prevailing camshaft phase was over-retarded. Two Trip Fault. Three good trips to turn off the MIL.





Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding.Pre-Diagnostic Troubleshooting Procedure.

NOTE: This DTC is reported along with either P000B-BANK 1 CAMSHAFT 2 POSITION SLOW RESPONSE or P0017-CRANKSHAFT-CAMSHAFT TIMING MISALIGNMENT-BANK 1 SENSOR 2 to indicate the prevailing direction of the phase error. If either of those DTCs are present, diagnose and repair them before continuing with this test.

1. Start the engine and allow it to reach normal operating temperature.

WARNING: When the engine is operating, do not stand in direct line with the fan. Do not put your hands near the pulleys, belts, or fan. Do not wear loose clothing. Failure to follow these instructions can result possible serious or fatal injury.

2. With the scan tool, record the related Freeze Frame Data and clear DTCs in the Powertrain Control Module (PCM).
3. Test drive the vehicle under the conditions in which the DTC is monitored, as outlined above.
4. With the scan tool, select View DTCs.

Is this DTC Active or Pending at this time with no other Camshaft Position DTCs?

Yes

- Replace the Powertrain Control Module.

No

- Refer to the *CHECKING FOR AND INTERMITTENT CONDITION Diagnostic Procedure. Checking for an Intermittent DTC.